What was found
UPON LANDING AND NOSE GEAR TOUCHING DOWN PILOTS HEARD LOUD BANG FROM THE NOSE AREA. NOSE GEAR HALF COLLAPSED (DRAG LINK JAMMED AGAINST THE NOSE STRUT TRUNION) AND AC WENT TO THE RT INTO GRASS AREA THEN SPUN TO RT TURNED 180 DEGREES IN A LARGE ARC, CROSSED BACK ACROSS TO LT SIDE OF THE RUNWAY COMING TO REST ON LT SIDE OF RUNWAY. RECOVERED ONE CRESCENT SHAPED FRAGMENT. APPEARS TO BE ANOTHER PIECE UNACCOUNTED FOR. PROBABLE CAUSE; DEFECTIVE DRAG LINK, BUSHING OR BOLT AT CONNECTION POINT. (K)